Climate and monthly weather forecastSouthport, IN
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Southport, Indiana, with an average temperature ranging between max 34.2°F (1.2°C) and min 21.4°F (-5.9°C). Southport's coldest month, January, registers temperatures that range from a high of 34.2°F (1.2°C) to a low of 21.4°F (-5.9°C). Weather in January »Weather in February
February, the last month of the winter in Southport, is also an icy month, with an average temperature ranging between min 25.3°F (-3.7°C) and max 38.5°F (3.6°C). Southport's February average high-temperature settles at a still icy 38.5°F (3.6°C), showing a near match with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Southport, is a cool month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 50.2°F (10.1°C). With the onset of March, the average high-temperature slightly shifts from February's wintry 38.5°F (3.6°C) to a fresh 50.2°F (10.1°C). Weather in March »Weather in April
April is an enjoyable spring month in Southport, Indiana, with an average temperature varying between 45.7°F (7.6°C) and 61.9°F (16.6°C). Entering April, Southport sees a temperature rise, with the average high-temperature advancing from March's fresh 50.2°F (10.1°C) to an enjoyable 61.9°F (16.6°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Southport, Indiana, with an average temperature fluctuating between 55.9°F (13.3°C) and 72.1°F (22.3°C). May witnesses an increase in the average high-temperature, moving from a comfortable 61.9°F (16.6°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Southport, Indiana, with an average temperature fluctuating between 63.9°F (17.7°C) and 80.1°F (26.7°C). June's arrival coincides with a subtle temperature rise, moving from May's pleasant 72.1°F (22.3°C) to a moderately hot 80.1°F (26.7°C). Weather in June »Weather in July
July, like June, in Southport, Indiana, is another warm summer month, with an average temperature varying between 82.4°F (28°C) and 65.8°F (18.8°C). Southport's July weather, with an average high temperature of 82.4°F (28°C) and an average low temperature of 65.8°F (18.8°C), tends to be the warmest of the year. The heat index for July is evaluated at a hot 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Southport, is also a moderately hot month, with an average temperature fluctuating between 63.9°F (17.7°C) and 81.5°F (27.5°C). The dawn of August sees an average high-temperature of a still warm 81.5°F (27.5°C), subtly contrasting with July's 82.4°F (28°C). Weather in August »Weather in September
September, the first month of the autumn in Southport, is also a moderately hot month, with an average temperature varying between 58.1°F (14.5°C) and 75.9°F (24.4°C). As August makes way for September, Southport's average high-temperature eases from a warm 81.5°F (27.5°C) to a still moderately hot 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, in Southport, Indiana, is another refreshing autumn month, with an average temperature varying between 47.3°F (8.5°C) and 63.5°F (17.5°C). In October, the average high-temperature goes from a warm 75.9°F (24.4°C) in September to a refreshing 63.5°F (17.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Southport, Indiana, with temperature in the range of an average high of 49.5°F (9.7°C) and an average low of 36.1°F (2.3°C). A decrease in the average high-temperature is observed during November, shifting from a comfortable 63.5°F (17.5°C) in October to a frosty 49.5°F (9.7°C). Weather in November »Weather in December
December, the first month of the winter in Southport, is also a wintry month, with an average temperature varying between 39.2°F (4°C) and 28.6°F (-1.9°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 49.5°F (9.7°C) to a wintry 39.2°F (4°C). Weather in December »Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average temperatures fluctuating between a high of 34.2°F (1.2°C) and a low of 21.4°F (-5.9°C), January stands out as the coldest month.
In Southport, during the entire year, the rain falls for 161.8 days and collects up to 30.55" (776mm) of precipitation.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall. Snow falls for 10.4 days and accumulates 2.64" (67mm) of snow.
Throughout the year, there are 36.4 snowfall days, and 10.94" (278mm) of snow is accumulated.
With an average of 4.1h of sunshine, January has the least sunshine of the year.
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the least rainfall in Southport. Rain falls for 7.9 days and accumulates 1.81" (46mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The month with the most rainfall is May, when the rain falls for 18.7 days and typically aggregates up to 3.7" (94mm) of precipitation.
In Southport, snow does not fall in May through September.
With an average of 14h and 54min of daylight, June has the longest days of the year in Southport.
June has the most sunshine of the year in Southport, with an average of 10.2h of sunshine.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
In Southport, July is the warmest month, with temperatures averaging a high of 82.4°F (28°C) and a low of 65.8°F (18.8°C).
With an average relative humidity of 73%, October is the least humid month.
The most humid month is December, with an average relative humidity of 82%.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Southport, IN
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure
Southport, IN
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Southport, IN
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.2mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.7mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8.1mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.9mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Southport, IN
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Southport, IN
- Average rainfall in January:
2.2" - Average rainfall in February:
1.81" - Average rainfall in March:
2.8" - Average rainfall in April:
3.39" - Average rainfall in May:
3.7" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.36" - Average rainfall in September:
2.05" - Average rainfall in October:
2.09" - Average rainfall in November:
2.09" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days
Southport, IN
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall
Southport, IN
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Southport, IN
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
3 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Southport, IN
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Southport, IN
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
12 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
13.7 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
14.1 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.5 days).
Average UV index
Southport, IN
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Southport, IN
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Southport, IN
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
